diff --git a/DocuMentor.wxs b/DocuMentor.wxs
index 855dd21..960eced 100644
--- a/DocuMentor.wxs
+++ b/DocuMentor.wxs
@@ -4,7 +4,7 @@
   <!-- Paket-Definition (ersetzt Product in v4) -->
   <Package 
     Name="DocuMentor" 
-    Version="1.2.1"
+    Version="1.2.2"
     Manufacturer="Vitali Graf / Software- und Datenbankentwicklung" 
     UpgradeCode="F498B66C-726D-44AA-95F4-CB4FBDCEF26E"
     Language="1031"
diff --git a/THIRD_PARTY_LICENSES.txt b/THIRD_PARTY_LICENSES.txt
index 36c05d1..5286163 100644
--- a/THIRD_PARTY_LICENSES.txt
+++ b/THIRD_PARTY_LICENSES.txt
@@ -253,5 +253,5 @@ HINWEISE
 
 ================================================================================
 Stand: März 2026
-Erstellt für: DocuMentor v1.2.1
+Erstellt für: DocuMentor v1.2.2
 ================================================================================
diff --git a/installer.iss b/installer.iss
index da29359..05f4397 100644
--- a/installer.iss
+++ b/installer.iss
@@ -10,7 +10,7 @@
 ; Build-Befehl: iscc installer.iss
 
 #define MyAppName "DocuMentor"
-#define MyAppVersion "1.2.1"
+#define MyAppVersion "1.2.2"
 #define MyAppPublisher "Ihr Name/Organisation"
 #define MyAppURL "https://github.com/yourusername/xsl-validator"
 #define MyAppExeName "DocuMentor.exe"
diff --git a/pyproject.toml b/pyproject.toml
index b3a60ce..5c78204 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "DocuMentor"
-version = "1.2.1"
+version = "1.2.2"
 description = "Professionelle XSL-Transformations-Verwaltung und PDF-Generierung"
 readme = "README.md"
 license = {text = "MIT"}
diff --git a/src/ui/AboutDialog.py b/src/ui/AboutDialog.py
index fc3b3e6..56fa5b4 100644
--- a/src/ui/AboutDialog.py
+++ b/src/ui/AboutDialog.py
@@ -143,6 +143,12 @@ class AboutDialog(QDialog):
             self.table.setItem(row, 0, QTableWidgetItem(entry.name))
             self.table.setItem(row, 1, QTableWidgetItem(entry.license))
             self.table.setItem(row, 2, QTableWidgetItem(entry.installed_version or "—"))
-            self.table.setItem(row, 3, QTableWidgetItem(entry.website))
+            if entry.website:
+                website_label = QLabel(f'<a href="{entry.website}">{entry.website}</a>')
+                website_label.setOpenExternalLinks(True)
+                website_label.setTextInteractionFlags(Qt.TextInteractionFlag.TextBrowserInteraction)
+                self.table.setCellWidget(row, 3, website_label)
+            else:
+                self.table.setItem(row, 3, QTableWidgetItem(""))
             self.table.setItem(row, 4, QTableWidgetItem(entry.copyright))
             self.table.setItem(row, 5, QTableWidgetItem(entry.category))
diff --git a/uv.lock b/uv.lock
index e58cb1b..9317351 100644
--- a/uv.lock
+++ b/uv.lock
@@ -34,7 +34,7 @@ wheels = [
 
 [[package]]
 name = "documentor"
-version = "1.2.0"
+version = "1.2.2"
 source = { virtual = "." }
 dependencies = [
     { name = "connectorx" },